WO2000049669A3 - Electrically conductive, freestanding microporous polymer sheet - Google Patents

Electrically conductive, freestanding microporous polymer sheet Download PDF

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Publication number
WO2000049669A3
WO2000049669A3 PCT/US2000/004204 US0004204W WO0049669A3 WO 2000049669 A3 WO2000049669 A3 WO 2000049669A3 US 0004204 W US0004204 W US 0004204W WO 0049669 A3 WO0049669 A3 WO 0049669A3
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Patent type
Prior art keywords
electrically conductive
freestanding
polymer sheet
microporous polymer
function
Prior art date
Application number
PCT/US2000/004204
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French (fr)
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WO2000049669B1 (en )
WO2000049669A2 (en )
Inventor
James Emanuel
James Young
Richard W Pekala
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Amtek Res Int Llc
James Emanuel
James Young
Richard W Pekala
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/004Details
    • H01G9/04Electrodes or formation of dielectric layers thereon
    • H01G9/042Electrodes or formation of dielectric layers thereon characterised by the material
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/155Double-layer capacitors
    • HELECTRICITY
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    • H01M10/0436Small-sized flat cells or batteries for portable equipment
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    • H01M2/14Separators; Membranes; Diaphragms; Spacing elements
    • H01M2/16Separators; Membranes; Diaphragms; Spacing elements characterised by the material
    • H01M2/164Separators; Membranes; Diaphragms; Spacing elements characterised by the material comprising non-fibrous material
    • H01M2/1653Organic non-fibrous material
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    • H01M2/14Separators; Membranes; Diaphragms; Spacing elements
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    • H01M2/1673Electrode-separator combination
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    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
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    • H01M4/505Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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    • H01M4/58Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • H01M4/583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
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    • H01M4/64Carriers or collectors
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    • H01M6/04Cells with aqueous electrolyte
    • H01M6/06Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02E60/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage
    • Y02E60/13Ultracapacitors, supercapacitors, double-layer capacitors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49108Electric battery cell making
    • Y10T29/49112Electric battery cell making including laminating of indefinite length material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49108Electric battery cell making
    • Y10T29/49114Electric battery cell making including adhesively bonding

Abstract

A freestanding, microporous polymer sheet (52, 56) is composed of a polymer matrix binding and electrically conductive matrix. The polymer matrix preferably includes UHMWPE, and the electrically conductive matrix preferably is in powder form. The UHMWPE is of a molecular weight that provides sufficient molecular chain entanglement to form a sheet with freestanding characteristics. Multiple microporous sheets (30) can be wound or stacked in a package filled with an electrolyte to function as electrodes in an energy storage device (86), such as a battery. Metallic layers (81, 83) can be applied to the microporous sheets to function as current collectors in such devices.
PCT/US2000/004204 1999-02-19 2000-02-18 Electrically conductive, freestanding microporous polymer sheet WO2000049669B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12084299 true 1999-02-19 1999-02-19
US60/120,842 1999-02-19

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP20000921334 EP1161774A2 (en) 1999-02-19 2000-02-18 Electrically conductive, freestanding microporous polymer sheet
JP2000600317A JP2002542574A (en) 1999-02-19 2000-02-18 Conductive self microporous polymer sheet
CA 2370524 CA2370524A1 (en) 1999-02-19 2000-02-18 Electrically conductive, freestanding microporous polymer sheet

Publications (3)

Publication Number Publication Date
WO2000049669A2 true WO2000049669A2 (en) 2000-08-24
WO2000049669A3 true true WO2000049669A3 (en) 2001-02-15
WO2000049669B1 true WO2000049669B1 (en) 2001-05-25

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PCT/US2000/004204 WO2000049669B1 (en) 1999-02-19 2000-02-18 Electrically conductive, freestanding microporous polymer sheet

Country Status (6)

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US (2) US6524742B1 (en)
EP (1) EP1161774A2 (en)
JP (1) JP2002542574A (en)
CN (1) CN1178319C (en)
CA (1) CA2370524A1 (en)
WO (1) WO2000049669B1 (en)

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